l337tard
A person who thinks they're fancy because they replace letters with numbers. They're like a kid who thinks they're the king of the playground just because they wear a crown.
"You spelled 'sick' as '51ck'? That's not even close to fancy.", Text from a friend
"I'm not just a l337tard, I'm a god of texting.", Tweet from a 1337tard
"You said 'leet' like it's the most important word ever.", DM from a 1337tard